package com.teach.exception;

/**
 * 参数小于0的异常
 * @author J.L.Zhou
 *
 */
public class ParamLtZeroException extends Exception {

	public ParamLtZeroException() {
		super();
	}

	public ParamLtZeroException(Throwable cause) {
		super(cause);
	}

	@Override
	public String getMessage() {
		return "输入参数不能小于0";
	}

}
